jake building current broken (develop branch)

created ./vis.js created ./vis.min.js jake aborted. ReferenceError: navigator is not defined at /Users/gillingh/Code/vis-upstream/vis.js:70:28 at Object. (/Users/gillingh/Code/vis-upstream/vis.js:1447:3) at s (/Users/gillingh/Code/vis-upstream/vis.js:26:227) at /Users/gillingh/Code/vis-upstream/vis.js:26:278 at Object.hammerjs (/Users/gillingh/Code/vis-upstream/vis.js:3772:69) at s (/Users/gillingh/Code/vis-upstream/vis.js:26:227) at e (/Users/gillingh/Code/vis-upstream/vis.js:26:398) at /Users/gillingh/Code/vis-upstream/vis.js:26:416 at a (/Users/gillingh/Code/vis-upstream/vis.js:25:54) at Object. (/Users/gillingh/Code/vis-upstream/vis.js:25:231)